#include <stdio.h>
#include <unistd.h>
 int main()
{
char *arglist[3];
arglist[0]="ls";
arglist[1]="-l";
arglist[2]=0;
printf("* * * About to exec ls -l\n");
execvp("ls",arglist);
printf("* * * ls is done.bye");
return 0;
}
